/*
 * Copyright (C) 2009 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.android.whatsblue.service;

import java.util.Set;

import com.android.whatsblue.dao.DataBaseEvents;
import com.android.whatsblue.pojo.Contacts;
import com.android.whatsblue.service.R;

import android.app.Activity;
import android.bluetooth.BluetoothAdapter;
import android.bluetooth.BluetoothDevice;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.view.Window;
import android.view.View.OnClickListener;
import android.widget.AdapterView;
import android.widget.ArrayAdapter;
import android.widget.Button;
import android.widget.ListView;
import android.widget.TextView;
import android.widget.AdapterView.OnItemClickListener;

/**
 * This Activity appears as a dialog. It lists any paired devices and
 * devices detected in the area after discovery. When a device is chosen
 * by the user, the MAC address of the device is sent back to the parent
 * Activity in the result Intent.
 */
public class SearchContactActivity extends Activity {
    // Debugging
    private static final String TAG = "SearchContactActivity";
    private static final String TAG_DEBUG = "BlueChat-Debug";
    private static final boolean D = true;
 
    // Return Intent extra
    public static String EXTRA_DEVICE_ADDRESS = "device_address";

    // Member fields
    private BluetoothAdapter mBtAdapter;
    private ArrayAdapter<String> mPairedDevicesArrayAdapter;
    private ArrayAdapter<String> mNewDevicesArrayAdapter;
    
    // Dabase Access Object 
    private DataBaseEvents dbEvents;
    
    @Override
    protected void onCreate(Bundle savedInstanceState) {
    	Log.d(TAG_DEBUG, "onCreate: "+this.getClass().getName());
        super.onCreate(savedInstanceState);
        Log.d(TAG, "onCreate ===> Starting activity");
        //Initialize the database
        dbEvents = new DataBaseEvents(this);
        // Setup the window
        requestWindowFeature(Window.FEATURE_INDETERMINATE_PROGRESS);
        //setContentView(R.layout.device_list);
        Contacts contacts = Contacts.getInstance();
        if( contacts != null){
        	contacts.logContacts();
        }
        // Set result CANCELED incase the user backs out
        setResult(Activity.RESULT_OK);
        
        // Initialize array adapters. One for already paired devices and
        // one for newly discovered devices
        mPairedDevicesArrayAdapter = new ArrayAdapter<String>(this, R.layout.device_name);
        mNewDevicesArrayAdapter = new ArrayAdapter<String>(this, R.layout.device_name);

        // Find and set up the ListView for paired devices
//        ListView pairedListView = (ListView) findViewById(R.id.paired_devices);
//        pairedListView.setAdapter(mPairedDevicesArrayAdapter);
//        pairedListView.setOnItemClickListener(mDeviceClickListener);

        // Find and set up the ListView for newly discovered devices
//        ListView newDevicesListView = (ListView) findViewById(R.id.newContactsList);
//        newDevicesListView.setAdapter(mNewDevicesArrayAdapter);
//        newDevicesListView.setOnItemClickListener(mDeviceClickListener);

        // Register for broadcasts when a device is discovered
        IntentFilter filter = new IntentFilter(BluetoothDevice.ACTION_FOUND);
        this.registerReceiver(mReceiver, filter);

        // Register for broadcasts when discovery has finished
        filter = new IntentFilter(BluetoothAdapter.ACTION_DISCOVERY_FINISHED);
        this.registerReceiver(mReceiver, filter);

        // Get the local Bluetooth adapter
        mBtAdapter = BluetoothAdapter.getDefaultAdapter();

        // Get a set of currently paired devices
        Set<BluetoothDevice> pairedDevices = mBtAdapter.getBondedDevices();
        
        
        // If there are paired devices, add each one to the ArrayAdapter
        if (pairedDevices.size() > 0) {
            //findViewById(R.id.title_paired_devices).setVisibility(View.VISIBLE);
            for (BluetoothDevice device : pairedDevices) {
                mPairedDevicesArrayAdapter.add(device.getName() + "\n" + device.getAddress());
                Log.d(TAG_DEBUG, "onCreate: Nombre dispositivo:"+device.getName() + " MAC: " + device.getAddress());
            }
        } else {
            String noDevices = getResources().getText(R.string.none_paired).toString();
            Log.d(TAG_DEBUG, "onCreate: "+"No hay dispositivos");
            mPairedDevicesArrayAdapter.add(noDevices);
        }
        mBtAdapter.startDiscovery();
    }

    @Override
    protected void onDestroy() {
    	Log.d(TAG_DEBUG, "onDestroy: "+this.getClass().getName());
        super.onDestroy();

        // Make sure we're not doing discovery anymore
        if (mBtAdapter != null) {
            mBtAdapter.cancelDiscovery();
        }

        // Unregister broadcast listeners
        this.unregisterReceiver(mReceiver);
    }

    /**
     * Start device discover with the BluetoothAdapter
     */
    private void doDiscovery() {
    	Log.d(TAG_DEBUG, "doDiscovery: "+this.getClass().getName());
        if (D) Log.d(TAG, "doDiscovery()");

        // Indicate scanning in the title
        //setProgressBarIndeterminateVisibility(false);
        //setTitle(R.string.scanning);

        // Turn on sub-title for new devices
        //findViewById(R.id.title_new_devices).setVisibility(View.VISIBLE);

        // If we're already discovering, stop it
        if (mBtAdapter.isDiscovering()) {
            mBtAdapter.cancelDiscovery();
        }

        // Request discover from BluetoothAdapter
        mBtAdapter.startDiscovery();
    }

    // The on-click listener for all devices in the ListViews
    private OnItemClickListener mDeviceClickListener = new OnItemClickListener() {
        public void onItemClick(AdapterView<?> av, View v, int arg2, long arg3) {
        	Log.d(TAG_DEBUG, "onItemClick: "+this.getClass().getName());
            // Cancel discovery because it's costly and we're about to connect
            mBtAdapter.cancelDiscovery();

            // Get the device MAC address, which is the last 17 chars in the View
            String info = ((TextView) v).getText().toString();
            String address = info.substring(info.length() - 17);

            // Create the result Intent and include the MAC address
            Intent intent = new Intent();
            intent.putExtra(EXTRA_DEVICE_ADDRESS, address);

            // Set result and finish this Activity
            setResult(Activity.RESULT_OK, intent);
            finish();
        }
    };

    // The BroadcastReceiver that listens for discovered devices and
    // changes the title when discovery is finished
    private final BroadcastReceiver mReceiver = new BroadcastReceiver() {
        @Override
        public void onReceive(Context context, Intent intent) {
        	Log.d(TAG_DEBUG, "onReceive: "+this.getClass().getName());
            String action = intent.getAction();

            // When discovery finds a device
            if (BluetoothDevice.ACTION_FOUND.equals(action)) {
            	Log.d(TAG_DEBUG, "Dispositivos encontrados: "+"Entramos al primer if");
                // Get the BluetoothDevice object from the Intent
                BluetoothDevice device = intent.getParcelableExtra(BluetoothDevice.EXTRA_DEVICE);
                Log.d(TAG_DEBUG, "Dispositivos encontrados: "+device.getName() + " " + device.getAddress());
                // If it's already paired, skip it, because it's been listed already
                if (device.getBondState() != BluetoothDevice.BOND_BONDED) {
                    mNewDevicesArrayAdapter.add(device.getName() + " " + device.getAddress());
                	Log.d(TAG_DEBUG, "Dispositivos encontrados: "+device.getName() + "\n" + device.getAddress());
                	dbEvents.insertContacto(device.getAddress(), device.getName(), "Conectado");
                	
                }
            // When discovery is finished, change the Activity title
            } else if (BluetoothAdapter.ACTION_DISCOVERY_FINISHED.equals(action)) {
            	Log.d(TAG_DEBUG, "Dispositivos encontrados: "+"Entramos al primer else if");
                setProgressBarIndeterminateVisibility(false);
                setTitle(R.string.select_device);
                if (mNewDevicesArrayAdapter.getCount() == 0) {
                    String noDevices = getResources().getText(R.string.no_search_found).toString();
                    mNewDevicesArrayAdapter.add(noDevices);
                }
            }
            else{
            	Log.d(TAG_DEBUG, "Dispositivos encontrados: "+"No ha encontrado dispositivos");
            }
        }
    };
}